<template>
  <div class="app-container">

    <el-form inline="inline">
      <el-button
          type="info"
          plain
          icon="Upload"
          @click="handleImport"
          v-hasPermi="['product:category:import']"
      >导入</el-button>
        <el-button
            type="warning"
            plain
            icon="Download"
            @click="handleExport"
            v-hasPermi="['product:category:export']"
        >导出</el-button>
    </el-form>


<!--    表格显示数据-->
    <el-table
        :data="tableData1"
        style="width: 100%"
        row-key="id"
        border
        lazy
        :load="load"
        :tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
    >
      <el-table-column prop="name" label="分类名称"/>
      <el-table-column prop="imageUrl" label="图标"  #default="scope">
        <img :src="scope.row.imageUrl" width="50">
      </el-table-column>
      <el-table-column prop="orderNum" label="排序"/>
      <el-table-column prop="status" label="状态"  #default="scope">
        <span v-if="scope.row.status == 1">正常</span>
        <span v-if="scope.row.status == 0">异常</span>
      </el-table-column>
      <el-table-column prop="createTime" label="创建时间"/>
    </el-table>

      <!-- 用户导入对话框 -->
      <el-dialog :title="upload.title" v-model="upload.open" width="400px" append-to-body>
        <el-upload
            ref="uploadRef"
            :limit="1"
            accept=".xlsx, .xls"
            :headers="upload.headers"
            :action="upload.url + '?updateSupport=' + upload.updateSupport"
            :disabled="upload.isUploading"
            :on-progress="handleFileUploadProgress"
            :on-success="handleFileSuccess"
            :auto-upload="false"
            drag
        >
          <el-icon class="el-icon--upload"><upload-filled /></el-icon>
          <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
          <template #tip>
            <div class="el-upload__tip text-center">
              <div class="el-upload__tip">
                <el-checkbox v-model="upload.updateSupport" />是否更新已经存在的用户数据
              </div>
              <span>仅允许导入xls、xlsx格式文件。</span>
              <el-link type="primary" :underline="false" style="font-size:12px;vertical-align: baseline;"
                       @click="importTemplate">下载模板</el-link>
            </div>
          </template>
        </el-upload>
        <template #footer>
          <div class="dialog-footer">
            <el-button type="primary" @click="submitFileForm">确 定</el-button>
            <el-button @click="upload.open = false">取 消</el-button>
          </div>
        </template>
      </el-dialog>

  </div>
</template>
<script setup>

import {ref ,reactive ,toRefs} from 'vue'
import {listCategory} from "@/api/product/categorybrand";
import { getToken } from "@/utils/auth";
const { proxy } = getCurrentInstance();

const open = ref(false)
/*** 用户导入参数 */
const upload = reactive({
  // 是否显示弹出层（用户导入）
  open: false,
  // 弹出层标题（用户导入）
  title: "",
  // 是否禁用上传
  isUploading: false,
  // 是否更新已经存在的用户数据
  updateSupport: 0,
  // 设置上传的请求头部
  headers: { Authorization: "Bearer " + getToken() },
  // 上传的地址
  url: import.meta.env.VITE_APP_BASE_API + "/product/category/importData"
});

const tableData1 = ref( [])
const node = ref(0)
function getList(){
  listCategory(node.value).then(response=>{
    tableData1.value = response.data
  })
}

function load(row, treeNode, resolve){
  listCategory(row.id).then(response =>{
    resolve(response.data)
  })
}

/** 导出按钮操作 */
function handleExport() {
  proxy.download("product/category/export", {},`category${new Date().getTime()}.xlsx`);
};

/** 导入按钮操作 */
function handleImport() {
  upload.title = "用户导入";
  upload.open = true;
};

/** 下载模板操作 */
function importTemplate() {
  proxy.download("product/category/importTemplate", {
  }, `category_template_${new Date().getTime()}.xlsx`);
};
/**文件上传中处理 */
const handleFileUploadProgress = (event, file, fileList) => {
  upload.isUploading = true;
};
/** 文件上传成功处理 */
const handleFileSuccess = (response, file, fileList) => {
  upload.open = false;
  upload.isUploading = false;
  proxy.$refs["uploadRef"].handleRemove(file);
  proxy.$alert("<div style='overflow: auto;overflow-x: hidden;max-height: 70vh;padding: 10px 20px 0;'>" + response.msg + "</div>", "导入结果", { dangerouslyUseHTMLString: true });
  getList();
};
/** 提交上传文件 */
function submitFileForm() {
  proxy.$refs["uploadRef"].submit();
};
getList()

</script>